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85mm lens focus noise anyone?

Started Nov 5, 2013 | Questions
kimmonoj Regular Member • Posts: 169
85mm lens focus noise anyone?

Hi I have 85mm lens and it makes high pitch hiss like noise when it focuses.

do any of you experience same thing?

thanks

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viking79
viking79 Forum Pro • Posts: 14,157
Re: 85mm lens focus noise anyone?

kimmonoj wrote:

Hi I have 85mm lens and it makes high pitch hiss like noise when it focuses.

do any of you experience same thing?

thanks

When mine gets cold it does that (say around 45F or so, but I noticed it was doing it the other day closer to 50F). If it does it too much it could be the motor failing. It is an ultrasonic motor so you shouldn't hear it when operating correctly. If you hear it there is something scraping or slipping and it is probably not ideal.

Eric

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targut Regular Member • Posts: 456
Re: 85mm lens focus noise anyone?

My 85mm one makes the like noises sometimes, but this does not influence its operation.

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Zdman Regular Member • Posts: 236
Re: 85mm lens focus noise anyone?

Never heard a high pitched noise comming from my 85 but I live where its pretty warm.

northlondon43
northlondon43 Senior Member • Posts: 1,941
Re: 85mm lens focus noise anyone?

I've only recently bought the 85mm so only used it 3-4 times. On one occasion I heard a high pitched noise whilst focusing but not the other times. No idea about the relationship to temperature though.

Adrian

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Fuzzfuzz
Fuzzfuzz Forum Member • Posts: 89
Re: 85mm lens focus noise anyone?

I hear it all the time if i have my ear near the lense and when its really quite. If you are young with good hearing you can probably hear it while some older folks(my mum and dad cant hear it) only hear it when its get cold.

I dont think it's something to worry about, i can hear it on all my pentax sdm lenses and some canon usm lenses.

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viking79
viking79 Forum Pro • Posts: 14,157
Re: 85mm lens focus noise anyone?

Fuzzfuzz wrote:

I hear it all the time if i have my ear near the lense and when its really quite. If you are young with good hearing you can probably hear it while some older folks(my mum and dad cant hear it) only hear it when its get cold.

I dont think it's something to worry about, i can hear it on all my pentax sdm lenses and some canon usm lenses.

This is a point I should have clarified: I hear my lens all the time as a soft chattering/whirring. When it gets cold it actually starts to make a slightly different squealing noise. More like a slipping noise. I would hope it is not the motor slipping, but could just be a rubbing noise of some internal component as well.

Eric

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OP kimmonoj Regular Member • Posts: 169
Re: 85mm lens focus noise anyone?

thank you all for answers!

BrendanSeabrook Regular Member • Posts: 101
Re: 85mm lens focus noise anyone?

http://www.dpreview.com/forums/post/42269770
M
y 85 had the squeaks.
Sent it back to Samsung. Took forever. They ended up not fixing it and letting my dealer give me a new copy.
Hasn't come back in the new copy but I haven't used it as much.

arbuz Senior Member • Posts: 2,247
Re: 85mm lens focus noise anyone?

Mine developed this condition few weeks ago. I researched this topic and apparently it is a sign of failing af motor.

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jennyrae Senior Member • Posts: 2,690
Re: 85mm lens focus noise anyone?

any report confirmation of 85mm AF failing or fail?

Mike Mu
Mike Mu Regular Member • Posts: 224
Re: 85mm lens focus noise anyone?

Mine has it every once in a while.  Its kind of disconcerting, and I'm afraid of imminent auto focus failure (or worse).

I'm curious to know if anybody else who has the same problem has had their lens fail.  I'm in Southern California, the temperature I've used the lens in has been fairly moderate.

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warriorpluto New Member • Posts: 7
Re: 85mm lens focus noise anyone?

Mine developed this condition few weeks ago. I researched this topic and apparently it is a sign of failing af motor.

So my motor is failing? I got mine from ebay.I'm going to return it

jennyrae Senior Member • Posts: 2,690
Re: 85mm lens focus noise anyone?

I had mine since launch. not sure what focus noise some people are referring to, other than the normal resistance when the optics inside move around during focus. other than that, lens is alive and kicking. I do not believe this is something similar to Pentax SDM.

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